Daniel Greineder is an Of Counsel and English-qualified barrister and trial lawyer specializing in international arbitration. His multi-jurisdictional practice spans Europe, the MENA region and Central Asia, and he is experienced in both common and civil law cultures. Mr. Greineder trained at the London Commercial Bar, specializing in international construction disputes. He then joined the arbitration practice of a leading U.S. law firm. Before joining Kalbian Hagerty in 2026, he practiced law in London, Geneva, and Doha. His work has repeatedly been recognized in leading directories. Legal 500 described him as “a rising star” and Who’s Who Legal as “undoubtedly one of the new generation of influential European arbitration lawyers.”
He has expertise in disputes arising out of M&A transactions, the oil and gas sector, including unconventional gas, joint ventures, and construction projects. He also advises parties to contractual price reviews under long-term agreements for the supply of gas and electricity.
Although an English lawyer by training, Daniel Greineder’s practice often involves the application of foreign law, including that of civil law jurisdictions. He has worked with the major institutional rules, including the ICC, LCIA, SAC, SCC, UNCITRAL and SIAC, and laws of the leading arbitral seats, including London, Geneva, Singapore, and Paris.
Daniel Greineder recognizes that arbitration requires a team effort and values close relationships with clients, co-counsel, and expert witnesses. He has formed strong relationships with litigation funders and has advised them on the merits of claims.
Apart from his work as an arbitration advocate, Daniel Greineder advises on contentious matters and welcomes arbitrator and mediator appointments. He is a native speaker of English and German and has a working knowledge of French.
He frequently contributes to arbitral debates as a conference speaker and in his publications. He has a particular interest in conflicts of interest, and law and language.
Experience
Counsel to Turkish contractor in a JV dispute among international partners arising in the construction sector, Swiss governing law, Zurich seat, arbitration under ICC Rules, amount in dispute USD 300 million.
Co-counsel to major Middle Eastern energy company in a dispute with international energy company arising out of an EPSA, governing law of the Middle Eastern country, arbitration under UNCITRAL Rules, The Hague seat, amount in dispute USD 700 million.
Co-counsel to Canadian company in a dispute with two Chinese state-owned enterprises arising out of an EPSA in the nonconventional gassector, PRC governing law, London seat, arbitration under the UNCITRAL Rules, amount in dispute USD 550 million.
Counsel to major European energy company in a dispute with Italian company in a dispute arising out of a contract for the supply of electricity, Italian governing law, ad hoc expert determination and parallel arbitral proceedings, Zurich seat and under the ICCRules, amount in dispute EUR 17 million.
Co-counsel to a major European bank in a dispute with a Turkish pension fund arising out of an M&A transaction, Turkish governing law, arbitration under ICC Rules, amount in dispute USD 380 million.
Counsel to a Turkish building contractor in two related arbitrations against a Ukrainian state company arising out of aconstruction contract, Ukrainian governing law, Zurich seat, arbitrations under the ICC Rules and Swiss Rules, combined amount in dispute USD 60 million.
Advised Abu Dhabi corporation on multi-jurisdictional dispute and enforcement of arbitral award, amount in dispute over USD 60 million.
Counsel to U.S. company specializing in solar grade silicone solutions in a dispute with a Kazakh company arising under a sales contract, English governing law, Geneva seat, arbitration under ICC Rules, amount in dispute USD 2 million.
Advised German industrial company in relation to possible claims against a West African company arising from a contract for the storage of steel, Swiss governing law, amount in dispute USD 17 million.
Advised third-party funder in relation to the merits of a claim under a construction company against a Turkish contractor, English governing law, London seat, arbitration under the ICC Rules, amount in dispute USD 30 million.
Advised major European energy company in relation to prospects of a gas price review arbitration in light of a previous adverse award, Swedish governing law, amount in dispute more than EUR 100 million.
Counsel to major European energy company in relation to a contractual review of the prices of gas and electricity payable under four long-term supply agreements, amount in dispute over EUR 200 million.
Counsel to Sudanese trading company in a sale of goodsdispute with a UAE trading company, English governing law, arbitration under LCIA Rules, London seat, amount in dispute USD 7 million.

